Misfiring Prob Need Help
 

I hooked up my 06 civic si to a computer and it said that every cylinder is misfiring wanted to know if anyone knows what that could be from?

weak spark plugs, poor wires, week ignitor, weak coils.

As well as Fuel injectors,wiring to fuel injector,timimng belt,Vaccum leak or stuck EGR,contaminated fuel,weak compression or blown head gasket and the list could go on,have the codes pulled for a clue.